This White Canopy Sidewall Kit by King Canopy comes with two sidewalls, two zippered end walls, and easy - to - use elastic ball straps. The sidewalls provide additional protection from the weather and these sidewalls come with flaps that provide gap free protection. This complete kit fits canopies that measure 10 ft x 27 ft and is constructed with the same durable white polyethylene as the shelter cover. These sidewalls are both appealing and durable.